160 Gb/s Polarization-Independent Optical Demultiplexing in 2-m Bismuth-Oxide Fiber

Authors

Reza Salem
Anthony. S. Lenihan
G. M. Carter
T. E. Murphy

Abstract

We report a new method for polarization-independent optical demultiplexing that uses cross-phase modulation in nonlinear fiber. Using this technique, we achieved error-free 160 Gb/s to 10 Gb/s demultiplexing in only 2 meters of highly nonlinear bismuth-oxide fiber. The demultiplexing performance is not impaired when the input data polarization state is scrambled at high speed. This method does not require circular polarization states and is shown to work even in birefringent fibers. We present a simple theoretical model that predicts the conditions under which polarization independent cross-phase modulation can be achieved, and we show numerical simulations that agree well with experimental observations.

Download/Views

IEEE Photon. Technol. Lett. 18(21), 2245-2247, (2006)
160-demux-bismuth.pdf (PDF format, 142 kB)

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